JP2013111610A - Device for bending plate material - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a bending device for a plate metal adapted to enable an upper die to be easily inserted into a plurality of upper die holders.SOLUTION: The bending device 1 for plate metals includes an upper table 3, an upper die 5, a lower table 7, and a lower die 9, and performs bending of a plate material with the upper die 5 and the lower die 9 through the process of arranging the plate material between the upper die 5 and the lower die 9 and moving the upper table 3 relatively to the lower table 7, in which the upper die 5 is adapted to be inserted from a side of a plurality of upper die holders 11 disposed spaced apart from each other and in parallel on the upper table 3 and held by the plurality of upper die holders 11, and guide members 13 are provided between upper die holders in the plurality of the upper die holders 11 to guide the upper die 5 to be inserted into the plurality of the upper die holders 11.

Description

  The present invention relates to a plate material bending apparatus.

  Conventionally, as a plate material bending apparatus, an upper table, an upper mold fixed to the upper table, a lower table disposed to face the upper table, and a lower mold fixed to the lower table, It is known that a plate material is disposed between an upper die and a lower die, and the upper plate is moved relative to the lower table to bend the plate material between the upper die and the lower die (for example, Patent Document 1).

  In this plate material bending apparatus, the upper mold is fixed to the upper table via a plurality of upper mold holders arranged in parallel and spaced apart from the upper table. The assembly of the upper mold to the plurality of upper mold holders is performed by inserting the upper mold from the side surface of the upper mold holder located on the outermost side and inserting the upper mold into all the upper mold holders. ing.

JP-A-8-33992

  However, in the plate material bending apparatus as described above, since the plurality of upper mold holders are spaced apart and arranged in parallel, the upper mold is inserted from the side surface of the upper mold holder, and the end of the upper mold is the upper mold holder. When positioned in between, the upper mold may be displaced with respect to the insertion direction. If insertion of the upper mold is continued in this state, the end of the upper mold is caught by the side surface of the upper mold holder, and the upper mold cannot be easily moved.

  In order to prevent such an upper mold from being caught on a plurality of upper mold holders, it is conceivable to use a plurality of upper mold holders as one upper mold holder, but hydraulic pressure is used for the upper mold holding mechanism. As a result, the structure becomes complicated and the cost increases.

  Accordingly, an object of the present invention is to provide a plate bending apparatus that can easily insert an upper mold into a plurality of upper mold holders.

  The invention according to claim 1 comprises an upper table, an upper mold fixed to the upper table, a lower table disposed opposite to the upper table, and a lower mold fixed to the lower table, Plate material bending in which a plate material is disposed between the upper mold and the lower mold and the upper table is moved relative to the lower table to bend the plate material between the upper mold and the lower mold. In the processing apparatus, the upper mold is held by the plurality of upper mold holders by being inserted from the side surfaces of the plurality of upper mold holders that are spaced apart and arranged in parallel with the upper table, A guide member for guiding insertion of the upper mold into the plurality of upper mold holders is provided between the upper mold holders.

  In this plate material bending apparatus, since the guide member for guiding the insertion of the upper mold into the plurality of upper mold holders is provided between the plurality of upper mold holders, the end of the upper mold is located between the plurality of upper mold holders. It is not positioned, and the end of the upper mold is not caught on the side surface of the upper mold holder.

  Therefore, in such a plate material bending apparatus, the guide member can prevent the upper mold from being caught by the plurality of upper mold holders, and the upper mold can be easily inserted into the plurality of upper mold holders.

  A second aspect of the present invention is the plate material bending apparatus according to the first aspect, wherein the guide member is at least one of a vertical direction with respect to an insertion direction of the upper mold into the plurality of upper mold holders. The movement of the upper mold in one direction and at least one of the left and right directions is restricted.

  In this plate bending apparatus, the guide member regulates the movement of the upper mold in either the vertical direction or the horizontal direction with respect to the insertion direction of the upper mold into the upper mold holder. By inserting the upper mold against the plurality of upper mold holders and the guide member in the direction in which the movement is restricted, the upper mold can be prevented from being displaced with respect to the plurality of upper mold holders.

  A third aspect of the present invention is the plate material bending apparatus according to the first or second aspect, wherein the guide member is held between the adjacent upper mold holders to hold the arrangement position. Features.

  In this plate material bending apparatus, the guide member is held between adjacent upper mold holders so that the position of the guide member is held. Therefore, there is no need to provide a holding means for placing the guide member, and the guide member is held. The structure can be simplified.

  According to the present invention, there is an effect that it is possible to provide a plate bending apparatus capable of easily inserting an upper mold into a plurality of upper mold holders.

It is a front view of the board | plate material bending processing apparatus which concerns on embodiment of this invention. It is sectional drawing of the upper mold | type holder of the board | plate material bending processing apparatus which concerns on embodiment of this invention. It is a perspective view of the guide member of the board | plate material bending process apparatus which concerns on embodiment of this invention. (A) is a principal part expanded side view of the board | plate material bending processing apparatus which concerns on embodiment of this invention. (B) is a principal part expanded side view which shows the other example of the board | plate material bending processing apparatus which concerns on embodiment of this invention. It is a front view when attaching the upper mold | type of the board | plate material bending processing apparatus which concerns on embodiment of this invention.

  A plate material bending apparatus according to an embodiment of the present invention will be described with reference to FIGS.

  The plate bending apparatus 1 according to the present embodiment includes an upper table 3, an upper mold 5 fixed to the upper table 3, a lower table 7 disposed to face the upper table 3, and the lower table 7. And a lower plate 9 made of steel and the like, and a plate member (not shown) made of steel or the like is disposed between the upper die 5 and the lower die 9, and the upper table 3 is moved relative to the lower table 7. Thus, the plate material is bent by the upper mold 5 and the lower mold 9.

  The upper mold 5 is held by the plurality of upper mold holders 11 by being inserted from the side surfaces of the plurality of upper mold holders 11 that are spaced apart from and arranged in parallel with the upper table 3.

  A guide member 13 is provided between the plurality of upper mold holders 11 to guide insertion of the upper mold 5 into the plurality of upper mold holders 11.

  The guide member 13 restricts the movement of the upper mold 5 in the vertical direction and the horizontal direction with respect to the insertion direction of the upper mold 5 into the plurality of upper mold holders 11.

  Further, the arrangement position of the guide member 13 is held by being held between the adjacent upper mold holders 11.

  As shown in FIGS. 1 to 5, the upper table 3 is disposed above the lower table 7 and spaced from the lower table 7, and is connected to a driving mechanism (not shown) having an electric motor or the like to be attached to the lower table 7. On the other hand, it can be moved up and down. A plurality of upper mold holders 11 are fixed to the upper table 3, and the upper mold 5 is disposed integrally with the upper table 3 through the plurality of upper mold holders 11.

  The upper die 5 is formed in a rectangular parallelepiped shape, and a processed portion 15 formed in a V shape is provided on an end surface on the lower die 9 side. The processing portion 15 is a punch that presses the plate material by lowering the upper table 3 and bends the plate material. A lower table 7 is installed below the upper mold 5.

  The lower table 7 is disposed below the upper table 3 and the upper mold 5 so as to be separated from the upper table 3 and the upper mold 5. A lower mold holder (not shown) is fixed to the lower table 7 by fixing means (not shown) such as bolts, and the lower mold 9 is disposed integrally with the lower table 7 via the lower mold holder. ing.

  The lower die 9 is formed in a rectangular parallelepiped shape, and concave and convex engaging portions (not shown) are formed between the lower die holder and the lower die holder, and are slidably assembled from the side surface of the lower die holder. On the end surface of the lower mold 9 on the upper mold 5 side, a V-groove (not shown) set for bending a plate material by a predetermined angle is formed. The V-groove is a die that is bent by pressing (pressing) the plate material with the processed portion 15 of the upper mold 5.

  The upper mold 5 of the plate bending apparatus 1 configured as described above is slidable from the side surface of the upper mold holder 11 located on the outermost side among the plurality of upper mold holders 11, as indicated by arrows in FIG. And is integrally arranged with the upper table 3 by engaging with all the upper mold holders 11.

  As shown in FIG. 2, the upper mold holder 11 includes a holder main body 19, a support plate 21, a clamp holder 23, and a clamp 25. An end of the holder body 19 on the upper table 3 side is fixed to the upper table 3 via a fixing member 17 fixed by a fastening member (not shown) such as a bolt.

  The support plate 21 protrudes from the holder body 19 toward the lower table 7 as a single member that is continuous with the holder body 19. The support plate 21 is in contact with the back side of a hook-shaped convex portion 27 formed at the end of the upper mold 5.

  The clamp holder 23 is fixed to the support plate 21 with bolts 29. In addition, the volt | bolt 29 has penetrated the urging | biasing member 31 which consists of a coil spring etc. which urges | bias the clamp holder 23 and the support plate 21 in the direction separated. An end of the clamp holder 23 on the lower table 7 side is engaged with a hook-shaped convex portion 27 of the upper mold 5 to hold the upper mold 5. The clamp holder 23 and the support plate 21 form a concave portion 33 with which the hook-shaped convex portion 27 of the upper mold 5 is engaged.

  The clamp 25 is held in a recess formed at the end of the clamp holder 23, and an elastic member 35 such as a disc spring is disposed between the clamp 25 and the bottom of the recess. The clamp 25 is brought into contact with the inclined surface of the convex portion 27 of the upper mold 5, and the upper mold 5 is moved toward the upper table 3, whereby the convex portion 27 of the upper mold 5 is moved by the elastic force of the elastic member 35. The upper die 5 is pressed and fixed together with the support plate 21.

  In such an upper mold holder 11, a plurality of upper mold holders 11 are arranged in parallel with each other between the upper table 3 and the upper mold 5, and the convex portion 27 of the upper mold 5 and each of the upper mold holders 11 are arranged. By engaging the recess 33 formed by the support plate 21 and the clamp holder 23, the upper mold 5 is held integrally with the upper table 3. A guide member 13 is provided between the plurality of upper mold holders 11.

  The guide member 13 is formed in a rectangular parallelepiped shape, and the arrangement position is held by being sandwiched between adjacent upper mold holders 11 and 11 positioned on the left and right in FIGS. 1 and 5. Further, the end surface of the guide member 13 on the upper mold 5 side is formed in the same shape as the outer shape of the hook-shaped convex portion 27 of the upper mold 5 as shown in FIG. A guide recess 37 into which 27 is inserted is formed. The guide concave portion 37 engages with the hook-shaped convex portion 27 of the upper mold 5 so that the upper mold 5 is inserted into the plurality of upper mold holders 11 in FIG. The movement in the up and down direction in FIG. 4 and the movement in the left and right direction in FIG.

  The guide concave portion 37 may be, for example, a concave portion 37 ′ having an L-shaped cross section that engages with the left side surface of the convex portion 27 of the upper mold 5 in FIG. In this case, with respect to the insertion direction of the upper mold 5 into the plurality of upper mold holders 11, the upper mold 5 is moved upward in FIG. 4 (b) and leftward in FIG. 4 (b). Movement is restricted. For this reason, when assembling the upper mold 5 to the plurality of upper mold holders 11, by sliding the upper mold 5 while pressing it in the upward direction and the left direction (left oblique upward direction) in FIG. The movement of the upper mold 5 can be stabilized.

  Here, the guide member 13 is preferably made of an elastic material such as synthetic rubber. For example, when the guide member 13 is a highly rigid member, when the upper die holders 11, 11 adjacent to the left and right in FIG. 1 and FIG. There is a risk that the end of the upper mold 5 side will come into strong contact with each other and be damaged. For this reason, by forming the guide member 13 from an elastic material, even if the adjacent upper mold holders 11, 11 are close to each other, the impact can be absorbed by the deformation of the guide member 13, and the upper mold holder 11 is damaged. Can be prevented.

  By providing such a guide member 13 between the plurality of upper mold holders 11, the end of the upper mold 5 is positioned between the upper mold holders 11 when the upper mold 5 is assembled to the plurality of upper mold holders 11. The upper mold 5 and the upper mold holder 11 are prevented from being displaced, and the upper mold 5 can be assembled smoothly.

  In assembling the plate bending apparatus 1 configured as described above, first, a plurality of upper mold holders 11 are spaced apart and arranged in parallel with the upper table 3 by a fixing member 17 or the like. Next, as shown in FIG. 1, the guide member 13 is inserted between the adjacent upper mold holders 11, 11, and the guide member 13 is held and held by the adjacent upper mold holders 11, 11. And the convex part 27 of the upper mold | type 5 is inserted in the recessed part 33 of the upper mold | type holder 11 from the side surface of the upper mold | type holder 11 located in the outermost side among the some upper mold | type holders 11, and the convex part 27 of the upper mold | type 5 As shown in FIG. 5, the upper die 5 is moved laterally while engaging the concave portion 33 of the upper die holder 11 and the guide concave portion 37 of the guide member 13 to complete the assembly.

  The movement of the upper die 5 at this time is guided by the engagement of the convex portion 27 of the upper die 5 with the concave portion 33 of the upper die holder 11 and the guide concave portion 37 of the guide member 13, and the upper die 5 can be easily It can be assembled to the mold holder 11. The upper mold holder 11 is released from the upper mold 5 by releasing the bolt 29 to release the pressing and fixing by the clamp 25 and moving the upper mold 5 in the left-right direction in FIGS. 1 and 5. Is done by letting

  In such a plate material bending apparatus 1, the guide member 13 that guides the insertion of the upper mold 5 into the plurality of upper mold holders 11 is provided between the plurality of upper mold holders 11. Is not positioned between the plurality of upper mold holders 11, and the end of the upper mold 5 is not caught on the side surface of the upper mold holder 11.

  Therefore, in such a plate material bending apparatus 1, the guide member 13 can prevent the upper mold 5 from being caught by the plurality of upper mold holders 11, and the upper mold 5 can be easily inserted into the plurality of upper mold holders 11. .

  Further, the guide member 13 restricts the movement of the upper mold 5 in the vertical direction and the left-right direction with respect to the insertion direction of the upper mold 5 into the plurality of upper mold holders 11. 11 can be prevented from being displaced, and the movement of the upper mold 5 to the plurality of upper mold holders 11 can be stabilized.

  Furthermore, the guide member 13 is held between the adjacent upper mold holders 11 so that the position of the guide member 13 is held. Therefore, it is not necessary to provide a holding means for placing the guide member 13. The structure can be simplified.

  In the plate material bending apparatus according to the embodiment of the present invention, the guide member is held between the adjacent upper mold holders. However, the present invention is not limited thereto, and the guide member is guided to a fixing member that fixes the upper mold holder to the upper table. The member may be held.

  Further, the shape of the guide concave portion of the guide member does not have to be the same as the convex shape of the upper die, and the guide concave portion of the guide concave portion can be used as long as the upper die can be moved to the plurality of upper die holders without rattling. Any shape may be used.

DESCRIPTION OF SYMBOLS 1 ... Plate | board bending apparatus 3 ... Upper table 5 ... Upper mold 7 ... Lower table 9 ... Lower mold 11 ... Upper mold holder 13 ... Guide member

Claims (3)

An upper table, an upper mold fixed to the upper table, a lower table disposed opposite to the upper table, and a lower mold fixed to the lower table, the upper mold and the lower mold, A plate material bending apparatus for bending the plate material with the upper mold and the lower mold by arranging a plate material between the upper table and the lower table relative to the lower table,
The upper mold is held by the plurality of upper mold holders by being inserted from the side surfaces of a plurality of upper mold holders that are spaced apart and arranged in parallel with the upper table,
A plate material bending apparatus, wherein a guide member for guiding insertion of the upper mold into the plurality of upper mold holders is provided between the plurality of upper mold holders. The plate material bending apparatus according to claim 1,
The guide member regulates the movement of the upper mold in at least one of the vertical direction and at least one of the horizontal direction with respect to the insertion direction of the upper mold into the plurality of upper mold holders. A plate bending apparatus characterized by The plate material bending apparatus according to claim 1 or 2,
The plate member bending apparatus according to claim 1, wherein the guide member is held between adjacent upper mold holders so that an arrangement position thereof is maintained.

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